I have a problem with Replace By Condition Node. When I have a list wich just one item and sublists, the node doesn’t work. The warning is “_Converting an array to var would cause array rank reduction and is not permitted”. but if I have a list only with sublists (even if sublists have only one it…

You found one of the limitations of imperative code - mixing singletons and lists can be tricky, you usually get a “Rank Reduction” exception. If you want to stick with nodes, one way to get around this is to manually use function mapping techniques: [image]

Replace By condition (list and sublist)

Revit

clement.cazi November 17, 2017, 8:51am 5

The Node “Replace” have the same issue.

I found TurnintoList node, from clockwork, and it can replace the node List.Slice.

So, with tun into list, Replace By Condition Works .

Thank you for you help.

Clement

1 Like

Replace item at index

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Replace By condition (list and sublist)

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